Home / 2,515.16-3,472.14-1,769.76

Finding the Fourth Proportional to 2,515.16, 3,472.14 and 1,769.76

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Solution

The fourth proportional to 2,515.16, 3,472.14 and 1,769.76 is: 2,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.16 : 3,472.14 = 1,769.76 : x
  2. Step 2: Convert to fraction form
    2,515.16/3,472.14 = 1,769.76/x
  3. Step 3: Cross multiply
    2,515.16x = 3,472.14 × 1,769.76
  4. Step 4: Simplify right side
    2,515.16x = 6,144,854.49
  5. Step 5: Solve for x
    x = 6,144,854.49/2,515.16
  6. Step 6: Final answer
    x = 2,443.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.